<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
</head>
<body>
    
</body>
<script>
    var arr=[
{cust_no:"12124353",cust_name:"张春一"},
{cust_no:"12124353",cust_name:"张春一"},
{cust_no:"12124353",cust_name:"张春一"},
{cust_no:"12124353",cust_name:"张春"},
{cust_no:"12124353",cust_name:"张春"},
{cust_no:"12124353",cust_name:"张春一"},
{cust_no:"12124353",cust_name:"张春一"},
]
arr.forEach((v)=>{
    // console.log(v.cust_name.substr(2))
   
 v.cust_name=  v.cust_name.substr(0,1)+"*"+v.cust_name.substr(2)
//    v.cust_no=v.cust_no


   
})
// var brr=[]
// arr.forEach((v,i)=>{
//     // console.log(v.cust_name.substr(2))
//    brr[i].cust_no=v.cust_no
//    brr[i].cust_name=v.cust_name.substr(0,1)+"*"+v.cust_name.substr(2)
// //    v.cust_no=v.cust_no


   
// })
console.log(arr)
var time=new Date().getTime()
console.log(time)

var str="20210806"
console.log
</script>
</html>